package com.test.containerNotSafe;

import java.util.List;
import java.util.UUID;
import java.util.Vector;

/**
 * 集合类ArrayList线程不安全验证
 *
 * @author wangjie
 * @version V1.0
 * @date 2019/12/17
 */
public class ContainerNotSafe {

    public static void main(String[] args) {

//        List<String> list = new ArrayList<>();
        List<String> list = new Vector<>();

        for(int i = 0; i < 30 ; i++){
            new Thread(() ->{
               list.add(UUID.randomUUID().toString().substring(0,8));
               System.out.println(list);
            },i+"").start();
        }
    }
}
